Location : The A1M northbound between junctions J16 and J17 .

Location : The M11 northbound between junctions J8A and J10 .

Location : The M4 westbound exit slip at junction J6 .

Location : The M11 northbound exit slip at junction J7 .

Location : The M4 eastbound between junctions J13 and J12 .

Location : The A47 westbound between the A1117 and the junction with the A143 .

Location : The A47 westbound at the junction with the A1122 .

Location : The A47 eastbound at the junction with the A1122 .

Location : The A34 southbound between the junctions with the M40 and the A44 .

Location : The M4 eastbound exit slip at junction J5 .

Location : The A47 eastbound between the junctions with the A10 and the A1122 .

Location : The M4 eastbound between junctions J10 and J8 .